Mark Harmon might not be playing Gibbs anymore, but the actor has taken one of the NCIS character’s famous bits of advice to ...
Gibbs had plenty of rules during his time on NCIS, but only one of them is Mark Harmon's favorite — find out which rule he ...
He immediately answered the question.
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Why Did Mark Harmon Leave “NCIS”? All About His Departure From the Hit CBS Series 4 Years Ago
Mark Harmon played Supervisory Special Agent Leroy Jethro Gibbs for 18 seasons Mark Harmon may have left NCIS, but he'll forever be synonymous with Supervisory Special Agent Leroy Jethro Gibbs. Harmon ...
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